Skip to Content
Mastering Apache Cassandra 3.x - Third Edition
book

Mastering Apache Cassandra 3.x - Third Edition

by Aaron Ploetz, Tejaswi Malepati
October 2018
Beginner to intermediate content levelBeginner to intermediate
348 pages
10h
English
Packt Publishing
Content preview from Mastering Apache Cassandra 3.x - Third Edition

Selecting a good clustering key

As mentioned previously, clustering determine the on-disk sort order for rows within a partition. But a good clustering key can also help to ensure uniqueness among the rows. Consider the table used in the preceding examples. This section will make more sense with more data, so let’s start by adding a few more rows:

INSERT INTO security_logs_by_location (location_id,day,time_in,employee_id,mailstop) VALUES ('MPLS2',20180723,'2018-07-23 9:04:59.377','tejam','M266');INSERT INTO security_logs_by_location (location_id,day,time_in,employee_id,mailstop) VALUES ('MPLS2',20180723,'2018-07-23 7:17:38.268','jeffb','M266');INSERT INTO security_logs_by_location (location_id,day,time_in,employee_id,mailstop) VALUES ('MPLS2',20180723,'2018-07-23 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Mastering Apache Cassandra - Second Edition

Mastering Apache Cassandra - Second Edition

Nishant Neeraj

Publisher Resources

ISBN: 9781789131499Supplemental Content